Home / 57,172.62-85,759.11-14,478.02

Finding the Fourth Proportional to 57,172.62, 85,759.11 and 14,478.02

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Solution

The fourth proportional to 57,172.62, 85,759.11 and 14,478.02 is: 21,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.62 : 85,759.11 = 14,478.02 : x
  2. Step 2: Convert to fraction form
    57,172.62/85,759.11 = 14,478.02/x
  3. Step 3: Cross multiply
    57,172.62x = 85,759.11 × 14,478.02
  4. Step 4: Simplify right side
    57,172.62x = 1,241,622,254.33
  5. Step 5: Solve for x
    x = 1,241,622,254.33/57,172.62
  6. Step 6: Final answer
    x = 21,717.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.